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Diffstat (limited to 'arch/powerpc/kernel/legacy_serial.c')
-rw-r--r--arch/powerpc/kernel/legacy_serial.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 7e98e778b52..359ab89748e 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -112,7 +112,7 @@ static int __init add_legacy_port(struct device_node *np, int want_index,
static int __init add_legacy_soc_port(struct device_node *np,
struct device_node *soc_dev)
{
- phys_addr_t addr;
+ u64 addr;
u32 *addrp;
upf_t flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ;
@@ -143,7 +143,7 @@ static int __init add_legacy_isa_port(struct device_node *np,
u32 *reg;
char *typep;
int index = -1;
- phys_addr_t taddr;
+ u64 taddr;
DBG(" -> add_legacy_isa_port(%s)\n", np->full_name);
@@ -165,10 +165,13 @@ static int __init add_legacy_isa_port(struct device_node *np,
if (typep && *typep == 'S')
index = simple_strtol(typep+1, NULL, 0) - 1;
- /* Translate ISA address */
+ /* Translate ISA address. If it fails, we still register the port
+ * with no translated address so that it can be picked up as an IO
+ * port later by the serial driver
+ */
taddr = of_translate_address(np, reg);
if (taddr == OF_BAD_ADDR)
- return -1;
+ taddr = 0;
/* Add port, irq will be dealt with later */
return add_legacy_port(np, index, UPIO_PORT, reg[1], taddr,
@@ -180,7 +183,7 @@ static int __init add_legacy_isa_port(struct device_node *np,
static int __init add_legacy_pci_port(struct device_node *np,
struct device_node *pci_dev)
{
- phys_addr_t addr, base;
+ u64 addr, base;
u32 *addrp;
unsigned int flags;
int iotype, index = -1, lindex = 0;